US10266003B2 - Wheel and a wheelchair using the same - Google Patents
Wheel and a wheelchair using the same Download PDFInfo
- Publication number
- US10266003B2 US10266003B2 US15/413,121 US201715413121A US10266003B2 US 10266003 B2 US10266003 B2 US 10266003B2 US 201715413121 A US201715413121 A US 201715413121A US 10266003 B2 US10266003 B2 US 10266003B2
- Authority
- US
- United States
- Prior art keywords
- ribs
- wheel
- rim
- disk
- rib
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active, expires
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B3/00—Disc wheels, i.e. wheels with load-supporting disc body
- B60B3/002—Disc wheels, i.e. wheels with load-supporting disc body characterised by the shape of the disc
- B60B3/007—Disc wheels, i.e. wheels with load-supporting disc body characterised by the shape of the disc in the intermediate section
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B3/00—Disc wheels, i.e. wheels with load-supporting disc body
- B60B3/001—Lightweight wheels, e.g. for strollers or toys
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
- A61G5/02—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs propelled by the patient or disabled person
- A61G5/021—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs propelled by the patient or disabled person having particular propulsion mechanisms
- A61G5/022—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs propelled by the patient or disabled person having particular propulsion mechanisms acting on wheels, e.g. on tires or hand rims
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
- A61G5/10—Parts, details or accessories
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
- A61G5/10—Parts, details or accessories
- A61G5/1051—Arrangements for steering
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
- A61G5/10—Parts, details or accessories
- A61G5/1091—Cushions, seats or abduction devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B27/00—Hubs
- B60B27/06—Hubs adapted to be fixed on axle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B3/00—Disc wheels, i.e. wheels with load-supporting disc body
- B60B3/04—Disc wheels, i.e. wheels with load-supporting disc body with a single disc body not integral with rim, i.e. disc body and rim being manufactured independently and then permanently attached to each other in a second step, e.g. by welding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B3/00—Disc wheels, i.e. wheels with load-supporting disc body
- B60B3/08—Disc wheels, i.e. wheels with load-supporting disc body with disc body formed by two or more axially spaced discs
- B60B3/082—Disc wheels, i.e. wheels with load-supporting disc body with disc body formed by two or more axially spaced discs especially for light-weight wheels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B3/00—Disc wheels, i.e. wheels with load-supporting disc body
- B60B3/08—Disc wheels, i.e. wheels with load-supporting disc body with disc body formed by two or more axially spaced discs
- B60B3/087—Discs having several mutual contact regions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B5/00—Wheels, spokes, disc bodies, rims, hubs, wholly or predominantly made of non-metallic material
- B60B5/02—Wheels, spokes, disc bodies, rims, hubs, wholly or predominantly made of non-metallic material made of synthetic material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B2200/00—Type of product being used or applied
- B60B2200/20—Furniture or medical appliances
- B60B2200/22—Chairs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B2200/00—Type of product being used or applied
- B60B2200/20—Furniture or medical appliances
- B60B2200/26—Medical appliances
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B2900/00—Purpose of invention
- B60B2900/10—Reduction of
- B60B2900/111—Weight
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B2900/00—Purpose of invention
- B60B2900/10—Reduction of
- B60B2900/112—Costs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B2900/00—Purpose of invention
- B60B2900/30—Increase in
- B60B2900/311—Rigidity or stiffness
Definitions
- the present invention relates to a wheel, especially a wheel of a wheelchair for racing used for track race, marathon, or the like.
- a wheel used for a wheelchair, bicycle, or the like there is known a wheel provided with an annular rim to which a tire is externally fitted, a hub arranged at a center portion of the rim and an axle connected thereto, and a plurality of spokes arranged between the rim and the hub extending in the radial direction (for example, refer to Patent Literature 1: Japanese Patent Laid-open No. 2012-19821).
- the present invention has been made in view of the above, and it is an object of the present invention to provide a wheel which is inexpensive and light with sufficient rigidity, and a wheelchair using the wheel.
- a wheel of the present invention includes an annular rim to which a tire is externally fitted, a hub arranged at a center portion of the rim and to which an axle is connected, and a disk which is attached with the rim at a periphery portion thereof and which covers between the rim and the hub, wherein the disk includes a planar portion and a rib, the rib being provided on a surface of the planar portion of one side in an axial line direction of the axle and including a radial direction vector in an extending direction vector, and wherein the planar portion is provided with a groove on a surface of the other side in the axial line direction of the axle at a position corresponding to the rib.
- the disk arranged between the rim and the hub includes the planar portion and the rib provided on the surface of the planar portion at one side in the axial line direction of the axle which includes the radial direction vector in the extending direction vector.
- the planar portion includes the groove at a position corresponding to the rib at the other side of the surface in the axial line direction of the axle. That is, the portion forming the side wall of the rib includes the radial direction vector in the extending direction vector and an axial line direction vector. Therefore, in this disk, the load in the radial direction which was applied to the spoke in the conventional wheel can be burden by the side wall. In other words, a part of the load which was conventionally burden only by the spoke, can be burden by the disk.
- the planar portion is provided with a groove at a position corresponding to the rib on a surface of the planar portion at the other side in the axial line direction of the axle. That is, the rib is thinned from the rear surface. Therefore, the rib which burdens the load in the radial direction is light in weight compared to the spoke which similarly burdens the load in the radial direction.
- the wheel includes a plurality of the ribs, wherein the plurality of the ribs include a first rib and a second rib, the second rib being unevenly arranged at a peripheral portion side of the disk than the first rib.
- the rib extends in the radial direction, if they are uniformly provided in the circumferential direction, the rigidity of the peripheral portion side of the disk would be lower than the rigidity of the center portion (for example, a region around the hub). Therefore, by providing the second rib which is unevenly arranged at the peripheral portion side of the disk compared to the first rib, it is possible to reinforce the rigidity of the region of the peripheral portion side.
- the wheel of the present invention in a case of providing a first rib and a second rib, the wheel includes a plurality of the first ribs, wherein the first ribs extend in a radial direction from the peripheral portion to a center portion of the disk, and wherein the second rib extends in the radial direction from the peripheral portion toward the center portion side of the disk, the second rib being shorter than the first ribs and being provided between the adjacent first ribs. According to such configuration, it is able to make the rigidity of the disk to become close to uniformity.
- the wheel of the present invention it is preferable in the wheel of the present invention to include a plurality of the ribs, wherein the ribs extend in a radial direction from the periphery portion toward a center portion side of the disk, and wherein a fore end portion of at least one rib among the plurality of ribs is positioned closer to the peripheral portion than the center portion.
- the rib is formed to protrude toward a rim side.
- the disk covering the region between the rim and the hub is expected to exhibit the effect of reducing the air resistance. Therefore, by configuring as such, the effect of reducing air resistance by the disk is not deteriorated.
- the height of the rib is equal to or less than the width of the rim. According to such configuration, it is able to increase the rigidity without increasing the size of the disk.
- a wheelchair of the present invention is a wheelchair including: a cage having a sitting seat; a vehicle body frame extending forward of the cage: a steering handle provided at the vehicle body frame: a front wheel attached to a forward end portion of the vehicle body frame; and a pair of rear wheels attached to right and left of the cage, and is characterized in that each of the rear wheels is configured by the wheel of any of the above and a tire fitted to the wheel.
- the wheel is arranged so that the disk is at a cage side.
- the rear wheels of the wheelchair are attached so that the upper side is inclined toward the cage side. That is, a larger load is applied to the disk at the cage side compared to the disk at the opposite side of the cage. Therefore, by arranging the disk at the cage side, it is possible to prevent the life of the wheel from shortening since the load can be burden by the disk with high rigidity.
- the wheelchair of the present invention may be configured to include a hand rim fixed to the wheel at an opposite side of the cage, wherein the wheel is arranged at the hub at the other side of the axle, and is attached with the rim at a periphery portion, and includes a cover which covers a region between the rim and the hub, and a fixing member which is fixed between the disk and the cover, and wherein the hand rim is fixed to the fixing member by a screw piercing the hand rim and the cover.
- FIG. 1 is a side view illustrating a wheelchair according to an embodiment of the present invention.
- FIG. 2 is a plane view of the wheelchair of FIG. 1 .
- FIG. 3 is a plane view of a front fork of the wheelchair of FIG. 1 .
- FIG. 4 is a disassembled perspective view seen from an attaching side of a wheel to a cage of the wheelchair of FIG. 1 .
- FIG. 5 is a rear surface view of a disk of the wheel of FIG. 4 .
- FIG. 6 is a schematic diagram illustrating an enlarged A-A line cross section of the wheel of the wheelchair of FIG. 1 .
- FIG. 7 is a schematic diagram illustrating an enlarged cross section of a wheel of a wheelchair according to a first modified example.
- FIG. 8 is a rear surface view of an enlarged vicinity of a center portion of a disk of a wheelchair according to a second modified example.
- the wheelchair W is a wheelchair used for track race, marathon, or the like.
- the wheelchair W includes a cage 1 , a vehicle body frame 2 extending forward of the cage 1 , a steering handle 3 provided at the vehicle body frame 2 , a front wheel 4 arranged at a forward end portion of the vehicle body frame 2 , a front fork 5 attached to the forward end portion of the vehicle body frame 2 and to which the handle 3 is connected and which holds the front wheel 4 , a pair of rear wheels 6 attached to right and left of the cage 1 , and a hand rim 7 attached to the rear wheel 6 at the opposite side of the cage 1 .
- the cage 1 is opened at the upper part and a sitting seat 1 a on which the player (user) sits on is arranged inside the cage 1 .
- the handle 3 is connected to the end portion of the column 5 a of the front fork 5 (refer to FIG. 3 ) pivotally supported by the end portion of the vehicle body frame 2 .
- the orientation of the front wheel 4 is changed via the front fork 5 , and the wheelchair W is able to be turned to travel in a desired direction.
- the hand rim 7 is fixed such that it is able to integrally rotate with the rear wheel 6 .
- the player seated on the sitting seat 1 a transmits the driving force to the rear wheel 6 through the hand rim 7 .
- the front fork 5 includes a column 5 a supported at the end portion of the vehicle body frame 2 and a fork portion 5 b which extends forward to bifurcate from the column 5 a .
- a bearing hole 5 c which supports the axle of the front wheel 4 is formed at the end portion of the fork portion 5 b.
- the column 5 a is cylindrically formed and is pivotally supported by the forward end portion of the vehicle body frame 2 via a bearing (not illustrated).
- Handle 3 (refer to FIG. 1 ) is fixedly provided at the upper end portion of the column 5 a.
- the wheelchair W includes a pair of rear wheels 6 at the right and left of the cage 1 .
- the rear wheel 6 is configured by a wheel 6 a and a tire 6 b fitted to the wheel 6 a .
- the rear wheel 6 is attached to the cage 1 in a state inclined such that the upper side of the rear wheel 6 approaches more to the center side of the cage 1 side.
- the wheel 6 a includes an annular rim 60 to which the tire 6 b is externally fitted (refer to FIG. 2 ), a hub 61 arranged at a center portion of the rim 60 and to which an axle extending from the cage 1 is connected, a disk 62 which is attached with the rim 60 at a periphery portion thereof and which covers between the rim 60 and the hub 61 at the cage 1 side (one side in the axial line direction of the axle), a cover 63 which covers between the rim 60 and the hub 61 at a side opposite of the cage 1 (other side in the axial line direction of the axle), and fixing members 64 which are arranged between the disk 62 and the cover 63 at an equal interval in a circumferential direction.
- the hand rim 7 is fixed to the fixing member 64 by a screw (not illustrated) which pierces the hand rim 7 and the cover 63 .
- the disk 62 and the cover 63 are formed by press processing after laminating metal such as iron or aluminum, or fiber-reinforced plastic or the like.
- fiber-reinforced plastic for example, fiber-reinforced plastic using polyacrylonitrile (PAN)-based carbon fiber, aramid fiber-reinforced plastic, or fiber-reinforced plastic or the like reinforced by glass fiber, pitch-based carbon fiber, PBO fiber, polyarylate fiber, polyethylene fiber.
- the forming method and the forming material of the disk 62 and the cover 63 are not necessarily limited to such forming method and the forming material.
- it may be formed by injection molding by using only resin material.
- the disk 62 includes a planar portion 62 a , a plurality of first ribs 62 b and a plurality of second ribs 62 c provided at a surface of the planar portion 62 a at the cage 1 side (one side in the axial line direction of the axle).
- the first ribs 62 b are formed so as to protrude (convex) toward the cover 63 side (in other words the rim side).
- the second ribs 62 c are formed so as to protrude (convex) toward the cover 63 side.
- the height of the first ribs 62 b is formed to be equal to or less than the width of the rim 60 .
- the height of the second ribs 62 c is formed to be equal to or less than the width of the rim 60 .
- first ribs 62 b and the second ribs 62 c do not protrude with respect to the rim 60 on either of the cage 1 side and the side opposite to the cage 1 .
- the reduction effect of air resistance of disk 62 is not so much impaired by the first ribs 62 b and the second ribs 62 c.
- the protruding direction and the height of the first ribs 62 b and the second ribs 62 c are not limited to such configuration.
- they may be provided at the opposite side of the rim 60 or may have a height exceeding the width of the rim 60 .
- the second ribs 62 c are unevenly arranged at a peripheral portion side of the disk 62 compared to the first ribs 62 b . More specifically, the first ribs 62 b extend in the radial direction from the peripheral portion to the center portion (a region in the vicinity of the hub 61 ) of the disk 62 , and the second ribs 62 c extend in the radial direction from the peripheral portion, and the second ribs 62 c are shorter than the first ribs 62 b and are provided between adjacent first ribs 62 b.
- the first ribs 62 b and the second ribs 62 c extend in the radial direction. Therefore, in the case of configuring the first ribs 62 b and the second ribs 62 c to have the same length and also providing them uniformly in the circumferential direction, the rigidity of the disk 62 at the peripheral portion side would be lower than the rigidity of the center portion. Therefore, in the wheelchair W, second ribs 62 c which are shorter than the first ribs 62 b are unevenly arranged between the first ribs 62 b closer to the peripheral portion side of the disk 62 compared to the first ribs 62 b , thereby attaining to equalize the rigidity of the disk 62 .
- the first ribs 62 b and the second ribs 62 c are provided in a shape extending in the radial direction in order to effectively burden the load.
- the extending direction vector of the ribs is not limited to the radial direction and may be any direction as long as it includes the radial direction vector in the extending direction vector.
- the position of forming the second ribs 62 c may be appropriately changed according to the rigidity required for the wheel 6 a .
- only ribs having the same shape may be formed.
- the planar portion 62 a is provided with first grooves 62 d and second grooves 62 e at a surface on opposite side of the cage 1 (the other side in the axis line direction of the axle) at a position corresponding to the first ribs 62 b and the second ribs 62 c . That is, the first ribs 62 b and the second ribs 62 c are made thin from the rear surface.
- first ribs 62 b and the second ribs 62 c to which the load is applied in the radial direction are light compared to the spokes which similarly burden the load in the radial direction.
- the disk 62 arranged between the rim 60 and the hub 61 includes the planar portion 62 a and also the first ribs 62 b and the second ribs 62 c which are provided on the surface of the planar portion 62 a at the cage 1 side (one side in the axial line direction of the axle) and which include the radial direction vector in the extending direction vector.
- the planar portion 62 a is provided with the first grooves 62 d and the second grooves 62 e on the surface of opposite side of the cage 1 (the other side in the axial line direction of the axle) at a position corresponding to the first ribs 62 b and the second ribs 62 c.
- the portions which are the side walls of the first ribs 62 b and the second ribs 62 c include the radial direction vector in the extending direction vector and the axial line direction vector.
- the load in the radial direction which was burden by the spoke in the conventional wheel is burden by this side wall. That is, a part of the load which was conventionally burden only by the spoke is burden by the disk 62 .
- the rear wheel 6 is attached so that the upper part of the rear wheel 6 is inclined toward the cage 1 side. That is, in the wheelchair W, larger load is applied to the disk 62 at the cage 1 side compared to the cover 63 at the opposite side of the cage 1 . This is to make the disk 62 , which has a higher rigidity than the cover 63 , burden the load by arranging the disk 62 at the cage 1 side, thereby to prevent the shortening of the life of the wheel 6 a.
- the wheel 6 a is not necessarily limited to such configuration.
- the wheel 6 a may be configured by using two disks 62 so as to oppose each other.
- the wheel 6 a according to the present invention is applied to the wheelchair W.
- the wheel of the present invention is not only applicable to a wheelchair, but is also applicable to wheels of other transportations such as a bicycle or the like.
- the above embodiment does not provide a spoke to the wheel 6 a .
- the wheel of the present invention may be configured to include a spoke.
- the side of the wheel 6 a opposite to the cage 1 is covered by the cover 63 .
- the wheel of the present invention may cover the side opposite to the cage by using a disk formed with ribs and grooves instead of the cover.
- the cage side of the wheel may be covered with a cover which is not formed with ribs and grooves instead of the disk.
- the wheel of the present invention is not limited to such configuration.
- the predetermined length of the first ribs 62 b may be changed so that at least one of the end portion of the first ribs 62 b (half of the first ribs 62 b in the second modified example) is positioned more closer to the peripheral portion than the center portion.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Tires In General (AREA)
- Automatic Cycles, And Cycles In General (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016043384A JP6581526B2 (ja) | 2016-03-07 | 2016-03-07 | ホイール及びそれを用いた車椅子 |
JP2016-043384 | 2016-03-07 |
Publications (2)
Publication Number | Publication Date |
---|---|
US20170253075A1 US20170253075A1 (en) | 2017-09-07 |
US10266003B2 true US10266003B2 (en) | 2019-04-23 |
Family
ID=59722591
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US15/413,121 Active 2037-08-28 US10266003B2 (en) | 2016-03-07 | 2017-01-23 | Wheel and a wheelchair using the same |
Country Status (3)
Country | Link |
---|---|
US (1) | US10266003B2 (ja) |
JP (1) | JP6581526B2 (ja) |
CN (1) | CN107160942B (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20210315752A1 (en) * | 2018-10-12 | 2021-10-14 | Honda Motor Co., Ltd. | Wheel, driving wheel, and wheelchair |
US12016806B2 (en) | 2018-10-12 | 2024-06-25 | Honda Motor Co., Ltd. | Wheel, drive wheel, and wheelchair |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP1611121S (ja) * | 2018-03-30 | 2019-08-05 | ||
JP6694916B2 (ja) | 2018-06-20 | 2020-05-20 | 本田技研工業株式会社 | ホイール、駆動輪、及び、車椅子 |
TWI676472B (zh) * | 2018-10-05 | 2019-11-11 | 財團法人工業技術研究院 | 助力輪 |
JP7324099B2 (ja) * | 2019-09-24 | 2023-08-09 | 本田技研工業株式会社 | 操舵機構、及び、それを備えた車椅子 |
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2016
- 2016-03-07 JP JP2016043384A patent/JP6581526B2/ja active Active
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2017
- 2017-01-23 US US15/413,121 patent/US10266003B2/en active Active
- 2017-02-21 CN CN201710094641.1A patent/CN107160942B/zh not_active Expired - Fee Related
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20210315752A1 (en) * | 2018-10-12 | 2021-10-14 | Honda Motor Co., Ltd. | Wheel, driving wheel, and wheelchair |
US11878552B2 (en) * | 2018-10-12 | 2024-01-23 | Honda Motor Co., Ltd. | Wheel, driving wheel, and wheelchair |
US12016806B2 (en) | 2018-10-12 | 2024-06-25 | Honda Motor Co., Ltd. | Wheel, drive wheel, and wheelchair |
Also Published As
Publication number | Publication date |
---|---|
JP2017158623A (ja) | 2017-09-14 |
US20170253075A1 (en) | 2017-09-07 |
CN107160942B (zh) | 2019-03-08 |
CN107160942A (zh) | 2017-09-15 |
JP6581526B2 (ja) | 2019-09-25 |
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